baber/WOPTO huggingface dataset:
Patent GB-1122174-A (GB)
Title: Improvements in or relating to aluminium-base magnesium alloys
Inventor: HODIERNE FRANCIS ARTHUR
IPC: C22C21/00
Filed: 1966-05-09
Abstract: An alloy which is suitable for anodizing comprises:- .Mg.0.5.-.5.0% .P.0.0005.-.0.01% .B.0.to.0.01% .Cu.0.to.1% .Mn.0.to.0.5% .Nb.0.to.0.05% .Si.0.to.1.5% .Ti.0.to.0.05% .V.0.to.0.05% .Zn.0.to.6% .Zr.0.to.0.05% the balance, apart from impurities, such as Fe up to 0.2%, being aluminium.  The phosphorus may be added as such, as a phosphide or as an aluminium base metal hardener containing phosphorus.
Patent GB-600548-A (GB)
Title: Shop window price ticket
IPC: G09F3/20
Filed: 1946-07-09
Abstract: 600,548. Price tickets. GAUSTEN, M. July 9, 1946, No. 20414. [Class 3(ii)] [Also in Group XXXVIII] Price tickets for use in a window frame, Fig. 6, are printed on the back and front in the manner shown in Fig. 3, so that they can be easily folded on the score lines A to show any desired numeral.
Patent GB-614209-A (GB)
Title: Improvements in smokers' lighters
IPC: F23Q2/34
Filed: 1946-07-09
Abstract: 614,209. Frictional lighters. HEDGER, L. W. J., and TOMBS, N. H. July 9, 1946, No. 20426. [Class 75 (iii)] The body of a frictional lighter is composed of a block of transparent material, preferably plastic, shaped internally to afford separate fuel and wick compartments W, X interconnected by a fuel supply passage Y. The transparent body consists of a section A in which a wick compartment X and a fuel compartment W are formed by milling or turning, secured to a section B by a cemented dovetail joint. Two threaded refilling holes N<2>, O<2> in the Section B are closed by plugs N, O passing through holes in a metal cover plate D. Spark ignition mechanism comprising a friction wheel and spring urged flint is mounted on a metal plate C secured to the section A by a dovetail joint and by a screw threaded wick tube M which registers with a passage Q extending to the wick compartment X. An over centre spring mechanism consisting of a spring S coiled round a rod U. rockable in a hole in the plate C holds the cover F for the ignition mechanism in either the closed or open position.
Patent GB-713544-A (GB)
Title: Improvements in or relating to purification of cellulose
Inventor: LANGMEIER ARTHUR
IPC: D01C1/02
Filed: 1951-08-29
Abstract: Dehydroabietylamine acetate is prepared by treating with acetic acid solution dehydroabietylamine, itself prepared by reacting ammonia with dehydroabietic acid to form the nitrile and hydrogenating. Cumene hydroperoxide is formed by passing oxygen-carrying gas through cumene at 25-95 DEG  C. in the presence of a 1-35 per cent aqueous alkali, with vigorous agitation.ALSO:Cellulosic material containing siliceous impurities is purified by agitating and aerating a dilute aqueous slurry thereof containing a cationic surface-active flotation agent for the impurities and a surface tension depressant for water, and removing the froth formed.  The cationic surface-active agent may be an amine of a fatty or resin acid or a salt thereof, e.g. hydroabietylacetotrimethyl-ammonium chloride, dodecylpyridinium chloride, dehydroabietylamine acetate, dodecylamine acetate or tallow amine acetate, a mixture of hexadecylamine, octadecylamine and octadicenylamine acetates.  The surface tension depressant may be pine oil, cresylic acid, an aliphatic alcohol, e.g. methylisobutylcarbinol, or a hydroperoxide, e.g. cumene hydroperoxide.
Patent GB-471285-A (GB)
Title: Improvements in or relating to means for generating synchronising signals in the transmission of television and the like
IPC: H04N5/06
Filed: 1936-07-23
Abstract: 471,285. Television. GENERAL ELECTRIC CO., Ltd., and ESPLEY, D. C. July 23, 1936, No. 20446. [Class 40 (iii)] The paths of high-frequency synchronizing signals from a source 1 and of low-frequency synchronizing signals from a source 2 are so interconnected 6, 7 that the presence of highfrequency signals prevents the low-frequency signal passing the valve 5 to the output 3, and the presence of a low-frequency signal prevents the high-frequency signal passing the valve 2 to the output. A phase-shifter is inserted in the connection 6 to make the ends of the interruptions in the low-frequency signal in phase with the beginnings of the high-frequency signals. For interlaced scanning a frequency multiplier is inserted in the connection 6. Specification 443,699 is referred to.
Patent GB-590340-A (GB)
Title: Improvements in the method of and means employed for crimping fibre sliver and delivering it in crimped formation
IPC: D01G15/62
Filed: 1944-10-23
Abstract: 590,340. Crimping slivers &c. FAIRBAIRN LAWSON COMBE BARBOUR, Ltd., and BEE, J. R. Oct. 23, 1944, No. 20455. [Classes 120 (i) and 120 (iii)] Slivers of jute or similar fibres are crimped by compressing in a pressure box A having a slidable portion B, normally maintained in a predetermined position by a spring G or a weight, and fitted with a normally closed lid J at its delivery end which is caused to open when the slidable portion B is moved forward through a predetermined distance by the pressure of the incoming sliver. When a length of crimped sliver has passed out of the pressure box A the spring G returns the slidable portion B to its original position and the lid is closed. The lid J has plates K connected to it having flat surfaces K<1> arranged to slide on guides D<2>. So long as the flat surfaces K' are in contact with the guides D<2> the lid J is kept closed but when they slide off the guides the lid is opened by the pressure from the sliver. Upon the return of the slidable portion to its initial position the plates K strike stops D' and the lid is closed.
Patent GB-649308-A (GB)
Title: Improvements in machines for the treating of web material
IPC: D06B3/20
Filed: 1948-08-04
Abstract: <PICT:0649308/IV (c)/1> <PICT:0649308/IV (c)/2> An apparatus for treating web or sheet material in which the material is guided along a given path comprises a plurality of bars or rollers 12 and 13 which are preferably horizontal and disposed on alternate sides of the material, which are mounted on pairs of levers 33, 34, 35, 36, 37 and 38 which by angular displacement facilitate the threading of fresh material through the apparatus.  The displacement of the levers may be effected by individual, group or common control means, e.g. connecting-rods 22 and 23 actuated by a cranked lever mechanism 27.
Patent GB-300520-A (GB)
Title: Improvements in or relating to apparatus for delivering measured quantities of liquids
IPC: G01F3/18
Filed: 1927-08-05
Abstract: 300,520. Gabbott, E. P., and Walker & Homfrays, Ltd. Aug. 5, 1927. Liquid-meters comprise cylinders 9, 10, Fig. 1, the pistons each operating the valve of the other cylinder by contact with stops 17, 17<a> on the.valve rods. Slide valves 20, Fig, 5, may be employed. Reference has been directed by the Comptroller to Specifications 2000/84, 4704/89, 2816/93, 24541/96 and 7508/06.
Patent GB-1395642-A (GB)
Title: Hollow article having a heat shrinkable portion
IPC: H01R13/502
Filed: 1972-05-04
Abstract: 1395642 Two-part couplings RAYCHEM CORP 4 May 1972 [5 May 1971] 20791/72 Heading H2E In an electrical connector comprising an outer shell 8 containing a contact-carrying insert (not shown) a cable-sealing end part 1 is formed of potentially heat-shrinkable plastics material and comprises a cylindrical portion 2 having near an open end an external annular flange 4 which engages in a complementary groove 5 in a coupling nut 6 which screws on to a threaded portion of shell 8. A tubular extension 7 extends beyond flange 4 and locates within shell 8, while, at its other end, portion 2 tapers down into an integral strain relief sleeve 3 of diminishing wall thickness, which is shrunk down on to a cable 9 connected to the connector contacts.
Patent GB-671892-A (GB)
Title: Improvements in or relating to a tool for reaming ridges from cylinders and the like
IPC: B23D77/14
Filed: 1950-08-23
Abstract: 671,892. Boring - machines. AMMCO TOOLS, Inc. Aug. 23, 1950 [Sept. 3, 1949], No. 20850/50. Class 83 (iii). Cutters; reamers.-A tool for reaming a ridge 16 from a cylinder &c. comprises means for moving end plate members 18, 21 to expand or contract guide members 26, which extend into the cylinder and carry projections 30 to seat upon the upper face of the cylinder and position the tool on the cylinder axis, and a reamer blade 31 immediately beneath the projection 30 on one guide member. In operation, the tool is positioned in the cylinder and a screw 23 rotated to tension a spring 24 and urge the tool against the ridge 16. The tool is then rotated manually or by a power-driven flexible shaft. When the ridge has been removed, the guide members 26 seat against the cylinder wall and and prevent further cutting. The blade 31 is adjusted by screws 31c, 31d and has an inclined cutting-edge to taper the end of the cylinder and ensure complete removal of the ridge. A spring 33 retains the guide members in position. In a modification, Fig. 10, the blade is pivoted at 39 and is housed in a slot in the guide member 34. In a further modification, Fig. 13, the pivot passes completely through the blade 46. In the latter tools, the lower edge is rounded to prevent scoring of the cylinder wall.
Patent GB-246056-A (GB)
Title: Improvements in frames for locomotives with individually driven axles
IPC: B61C9/38
Filed: 1925-08-20
Abstract: 246,056. GyseL, E. Aug. 20, 1925. Frames. plate and bar.-In locomotives in which the axles are driven through separate trains of toothed gearing an auxiliary frame d which carries the bearings for the outer ends of the shafts of the gear wheels f is connected to the main frame a by transverse and longitudinal stays b, c and forms with it a hollow or box girder.
Patent GB-284362-A (GB)
Title: Improvements in or relating to apparatus suitable for use as a rotary air compressor or as a vacuum pump or exhauster
IPC: F01C21/08
Filed: 1926-08-25
Abstract: 284,362. Goodwin, A. Aug. 25, 1926. Fixed-abutment type ; balancing moving parts; packing vanes. - In pumps the outwardly sliding vanes are pressed outwardly towards the periphery of the cylindrical casing c by annular projections m<2>, m<3> coaxial with the casings, which coact with end portions f<1> of the vanes f, and the outward movement is limited by rings h, h<1>, which are free to rotate and against which the ends of the vanes bear. The rings h, h<1> may be) housed in the end plates or in the cylindrical member of the casing and may be provided with ball bearings. The ends of the vanes may be packed by spring-pressed strips fitted in grooves. The annular projections on the casing and the rings h, h' may engage slots in the radial edges of the vanes.
Patent GB-1291671-A (GB)
Title: Net fluid computing unit for use with central computer
IPC: G06F17/40
Filed: 1971-04-19
Abstract: 1291671 Measuring content of oil in water HYDRIL CO 19 April 1971 [2 Feb 1970] 21084/71 Heading G1N [Also in Division G4] An analogue signal representing the oil content in an oil and water mixture flowing in a pipe (23) Fig. 2 (not shown) is derived from a capacitive bridge 200, Fig. 3, one capacitor 37 of which is in the pipe line so that the bridge output varies in accordance with the oil and water mixture flowing between the capacitor plates.
Patent GB-828019-A (GB)
Title: Improvements in or relating to television cabinets
Inventor: STILES SIDNEY WILLIAM
IPC: H04N5/65
Filed: 1957-07-04
Abstract: 828,019. Television. CO-OPERATIVE WHOLESALE SOCIETY Ltd. July 1, 1958 [July 4, 1957], No. 21133/57. Class 40 (3). The picture tube of a television receiver is screened from extraneous light by means of a hood formed by two doors 11 (Figs. 1 and 2) and a top member comprising side portions 12, attached to the doors, and a central portion 14 connected to the doors by link members 16 the arrangement being such that when the doors are closed the portions 12 and 14 slide into a recess in the top of the cabinet (Fig. 3).
Patent GB-1261095-A (GB)
Title: Production of unsaturated esters
IPC: C07C29/42
Filed: 1969-04-25
Abstract: 1,261,095. Unsaturated esters. BADISCHE ANILIN- & SODA-FABRIK A.G. 25 April, 1969 [27 April, 1968], No. 21158/69. Heading C2C. A process for the production of an ester having the general Formula (I) in which A denotes one of the following radicals: or n denotes one of the integers 1 to 4 and R denotes an alkyl group having from one to ten carbon atoms, a phenyl group or an alkylphenyl group or phenylalkyl group having up to ten carbon atoms, comprises reaction of a ketone having the general Formula (II) in which n has the above meaning with a vinyl magnesium chloride solution followed by acylation of the intermediately formed Grignard adduct with an acid anhydride having the general Formula (III) in which R has the above meaning, without isolation of intermediate products, wherein the acylation is carried out at from 20‹ to 100‹ C.
Patent GB-1527847-A (GB)
Title: High voltage amplifier
IPC: H03F3/38
Filed: 1977-05-19
Abstract: 1527847 Amplifier circuits R E VOSTEEN 19 May 1977 [10 Dec 1976] 21195/77 Heading H3T A chopper type amplifier having a D.C.-A.C.- D.C. converter which is modulated with the signal to be amplified is provided with means for modulating the output resistance of the converter which includes a light coupling path. The inclusion of this additional means reduces the maximum supply voltage requirements and gives good transient response. The input signal from amplifier 10 is chopped by a high frequency source 25 and the resulting signal stepped up on voltage by transformers T1, T2 before being applied to rectifiers 21, 22 which together with resistors R1...R4 form a bridge. Each arm of the bridge also includes photoconductors PC-1... PC-4 which can be varied to differentially vary the resistance arms of the bridge to provide additional gain without increasing the supply to the converter. Variation of the photoconductors is effected by LED1 ... LED4 which are supplied with current proportional to the input signal voltage, the factor of proportionality being determined by the resistors RF, RS associated with the further amplifier 27.
Patent GB-252944-A (GB)
Title: Improved method of attaching a new web of paper to the expiring web in a printing press
IPC: B65H19/18
Filed: 1925-08-24
Abstract: 252,944. White, A. E., (Cline Electric Manufacturing Co.). Aug. 24, 1925. Feeding webs.-A method of attaching, a new web to the expiring web being fed into a printing press in which the web roll in use and a number of reserve rolls are mounted on a rotatable support, consists in rotating the support to bring a reserve roll into contact with the expiring web at a point where the expiring web has no supporting backing but has sufficient tension to rotate the reserve roll so as to bring the previously gummed extremity of the new web into contact with the expiring web and cause it to adhere thereto. The roll 4, Fig. 5, in use and a number of reserve rolls 5, 6 are mounted in arms 3 rotatable on a stand 1 and each roll is provided with a brake comprising a band 12, Fig. 3, encircling a drum 11<a> on the roll spindle 11 and having its ends secured to a fixed support 14 and to an operating screw 10 respectively. When a web 7 is nearly exhausted, the arms 3 are rotated to bring the reserve roll 5 into contact with the web 7 which is tensioned by means of its brake 12 so as to rotate the roll 5 and cause the gummed end of its web to adhero to the web 7. The web 7 is then severed behind the roll 5.
Patent GB-724874-A (GB)
Title: Headlamp for physicians and surgeons
IPC: F21S8/06
Filed: 1953-07-30
Abstract: 724,874. Surgical &c. electric lamps. WELCH ALLYN, Inc. July 30, 1953, No. 21220/53. Classes 75 (2), 75 (3) and 75 (4). A surgeon's headlamp is supported by a universal joint on a headband 1 and comprises an electric lamp holder 15 carrying a radiallyextending disc 36 provided with a peripheral annular reflector. 39 and having two observation openings 37 (not shown). and a lens 51 surrounding a lamp bulb 46 and having a portion 55 for projecting light axially on to the area to be observed and a portion 54 for directing light-radially to be reflected by the reflector 39 on to the said area. The universal mounting comprises a ball 8 carried by a supporting plate 4 secured to the outer surface of the band 1 by rivets passing into a plate 6, the ball 8 having projecting pins 9 on which are pivoted a pair of links 10 having openings 11 for engaging a ball 12. The latter is carried by an arm 13 secured to a band 60 encircling the hub 35 of the disc 36. The disc 36 and reflector 39 may be of transparent plastic material, the reflector having a reflecting coating 40 protected by a layer of opaque plastic material 41. Thelens and the lampholder are so secured together as to form - a sealed enclosure for the lamp bulb 46 which is proof against an explosion of the latter,
Patent GB-1349079-A (GB)
Title: Method of and system for using storage batteries inter alia those used in aircraft
IPC: H02J7/34
Filed: 1971-04-19
Abstract: 1349079 Supply systems including floating batteries SOC NATIONALE INDUSTRIELLE AEROSPATIALE 19 April 1971 [25 Feb 1970] 21308/71 Heading H2H A D.C. supply system incorporating a battery is arranged so that when the D.C. supply source voltage falls below that of the battery the battery assists the D.C. source in supplying the system power requirements and when the battery terminal voltage falls below a predetermined reference voltage the battery is charged from the D.C. source, the charging of the battery following a complicated pattern so as to ensure that no damage of the battery takes place. During charging the battery charging current is sensed by a device which includes a semi-conductor type Hall plate, the signal from which forms the input to a plurality of bistable circuits which control the battery charging process in a manner which ensures that the battery is charged sufficiently but not overcharged. The outputs of the bi-stable circuits are fed to a system of AND and OR gates arranged to control an electromagnetic contactor which connects or disconnects the battery to or from the D.C. source as required. The control system includes an electronic clock timing device and a manually operated selector device allowing the system to be connected to the battery only should failure of the D.C. source occur. The system also includes means for connecting the battery into the system should a vital heavy demand load be connected to the supply system.
Patent GB-640766-A (GB)
Title: Improvements relating to electric rear lamps for bicycles and the like
IPC: B62J6/04
Filed: 1948-08-13
Abstract: 640,766. Electric rear lamps for bicycles. PRIMA INDUSTRIES, Ltd., and SLIM, J. F. Aug. 13, 1948, No. 21360. [Classes 39(ii) and 75(iii)] A battery-fed rear lamp for bicycles and the like comprises a one-piece tubular metal casing 5 with an end closure member consisting of a metal disc 11 retained in position by a circlip 12, Fig. 2, and provided with a central boss to receive a screw 13 which bears against the base of a battery 9, whereby the latter can be pushed inwardly against the pressure of a helical spring 10 to bring its central pole against the centre-contact of a bulb screwed into a metal reflector 7, thus switching on the light. As shown the circlip 12 has two annular enlargements 12a which fit within slots 5c in the peripheral wall at the end of the casing, which is enlarged to form a seating for the disc 11, and one end of the circlip is bent to provide a finger-piece 12b lying within an axial slot. A red glass or plastic lens 6, which may be faceted in known manner, is retained in position by an end flange 5a. The lamp is attached to the down-stay of a bicycle by a metal bracket consisting of a channel 15 welded to the lamp casing and formed with a V- shaped slot 15a in the two parallel sides, the slots being relatively staggered to conform with the angle of inclination of the down-stay. A clamping-plate 16 with a V-recess 16b complementary to the slots 15a is held by a screw 17 and conventional tongue and slot.
Patent GB-1151884-A (GB)
Title: Composite Tube.
IPC: B29C53/60
Filed: 1966-05-13
Abstract: 1,151,884. Composite tubes. IMPERIAL CHEMICAL INDUSTRIES OF AUSTRALIA & NEW ZEALAND Ltd. 13 May, 1966 [20 May, 1965], No. 21412/66. Heading F2P. A process for the manufacture of composite tubes comprises the steps of rotating a rigid or flexible tube 12 about the longitudinal axis thereof, moving a ribbon 2 of flexible material such as crepe paper or plastics material past a foam dispensing means 9 and depositing a layer 10 of nascent foam upon the ribbon, feeding the ribbon tangentially on to the rotating tube at an angle to the longitudinal axis of the tube so that the coated-ribbon forms a spirally-wound envelope around the tube with the coating in the annulus between the tube and the ribbon, and then allowing the foam to expand and cure optionally under the influence of heat. The foam may be, e.g. polyurethane and the tube may be extruded and of polyvinyl chloride, polyethylene, polypropylene or polystyrene, metal or wood; the tube may consist of individual cylinders linked to form a tube. As shown, the tube 12 is rotated and simultaneously moved forward longitudinally by a friction belt 17 driven by pulleys 16 and is supported by rollers 14 and a polytetrafluorethylene-lined sleeve 18, the ribbon 2 being withdrawn from a roll by rotary movement of the tube. Curing of the foam is caused by a heater 21. One edge 20 of the ribbon may be folded over prior to the winding thereof on to the tube so as to be free of foam dispensed from the nozzle 8, the edge afterwards being unfolded so that the ribbon re-assumes the free width and the foam-free edge overlaps the outer side of the internally, foam covered, preceding convolution of the ribbon whereby the spirally wound envelope is free from exuded foam. The ribbon may be wound so that the edges thereof abut or overlap. The rollers 14 and/or 15 may be driven to replace the belt and pulleys 16, 17.
Patent GB-1315004-A (GB)
Title: Rotary internal combustion engine
IPC: F02B1/04
Filed: 1970-05-05
Abstract: 1315004 Rotary positive-displacement engines J R SIDDONS 5 May 1970 [6 May 1969] 21616/70 Heading F1F An 1. C. engine has a rotor 18 providing a chamber and track 28 for a free ball-piston 29, a portion 22 of the rotor being fixed to a hollow output shaft 17. Fuel-air mixture enters the ends of the rotor through the shaft 17, pipes 33, 34 and reaction members 37 furnished with non-return valves 44. The mixture is compressed by the piston moving towards either of the members 37 and is ignited by a spark plug 56 when the piston reaches switching means 57. The motion of the piston is thus reversed and the rotor is rotated anti-clockwise (according to Fig. 2) due to the centrifugal force of the piston as it travels round the curved portion 26 of the track. Reverse rotation of the rotor is prevented by sprag clutches 53 coupled to a fixed upright 13 and to pins 47 engaging with slots 48 in the rotor, which pins also engage with the members 37. Negative torque on the rotor due to reaction to the explosion of said mixture is minimized by the adjacent member 37 remaining stationary until a cap 35 on the rotor abuts a part 39 of a pusher member 38, movement of the rotor relative to the member 37 being permitted by the slot 48. The member 37 is restored to its former position when the piston passes a pipe 36 and thus allows the expanding gas in the rotor to exert pressure on the member 38. The exhaust gas is discharged through a pipe 15.